实时计算 Flink版累计的相关内容

问答 2022-07-19 来自：开发者社区

请教一个问题：场景：flink sql 中使用累计窗口，窗口大小一天，每分钟统计一次当日累计

请教一个问题：场景：flink sql 中使用累计窗口，窗口大小一天，每分钟统计一次当日累计问题：发现随之时间的推移数据量越来越大，并且很多数据当前分钟和前一分钟并没有变化想要的效果：只输出当前分钟和前一分钟有变化的数据，有什么好的建议和方案吗？比如改源码或者其他

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更新时间 2024-10-29 08:46:10

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阿里云实时计算Flink版(Alibaba Cloud Realtime Compute)，完全兼容开源的Apache Flink，比开源性能提升2～3倍，提供了完整的告警、监控、日志的解决方案、提升开发效率且无运维成本，并有社区专家提供技术支持。

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实时同步

MySQL 到 Hologres

Kafka 到 Hologres

功能对比

开源Flink对比

成本优化

作业自动调优